CSS in Desktop Applications

The chart styles can be customized beyond what is provided in the top level builder, CSS style class names coorespond to chart sections, for example the chart title font and color are set using a style class called 'chart-title'.
Here is a complete list of the non-data related chart style class name. Data styling is done using series or data classes depending on the type of chart, and it is generally a good idea to use the genie to get close to the desired style before you start tweaking the style directly in CSS.